function call_google_buzz(url) {
        var w = 530, h = 250;
        var left = (screen.width/2)-(w/2);
        var top = (screen.height/2)-(h/2);
	newwindow=window.open(url,'call_google_buzz','toolbar=yes, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width='+w+', height='+h+', top='+top+', left='+left);
	if (window.focus) {newwindow.focus()}
	return false;
}

